BPG致力于知识的发现和传播
Total Visits of This Article
2020 | 总访问次数
排名 国家/地区 数量 占比
1 United States 265 42.5%
2 China 150 24.1%
3 Netherlands 80 12.8%
4 France 40 6.4%
5 Germany 39 6.3%
6 Canada 13 2.1%
7 Hong Kong 9 1.4%
8 Portugal 7 1.1%
9 Taiwan 5 0.8%
10 Senegal 4 0.6%
11 4 0.6%
12 Bulgaria 2 0.3%
13 Japan 2 0.3%
14 Luxembourg 1 0.2%
15 New Zealand 1 0.2%
16 United Kingdom 1 0.2%